{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53229","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-06-09T07:44:35.393Z","datePublished":"2026-06-25T08:39:28.552Z","dateUpdated":"2026-06-28T06:40:40.498Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-28T06:40:40.498Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: xsk: Fix DMA and xdp_frame leak on XDP_TX xmit failure\n\nIn the XSK branch of mlx5e_xmit_xdp_buff(), when sq->xmit_xdp_frame()\nreturns false (e.g. XDPSQ is full), the function returns without\nunmapping the DMA address or freeing the xdp_frame allocated by\nxdp_convert_zc_to_xdp_frame(). The xdpi_fifo push only happens on\nsuccess, so the completion path cannot recover these entries.\n\nWith CONFIG_DMA_API_DEBUG=y, the leak surfaces on driver unbind:\n\n  DMA-API: pci 0000:08:00.0: device driver has pending DMA\n  allocations while released from device [count=1116]\n  One of leaked entries details: [device address=0x000000010ffd7028]\n  [size=1534 bytes] [mapped with DMA_TO_DEVICE] [mapped as phy]\n  WARNING: kernel/dma/debug.c:881 at dma_debug_device_change+0x127/0x180\n  ...\n  DMA-API: Mapped at:\n   debug_dma_map_phys+0x4b/0xd0\n   dma_map_phys+0xfd/0x2d0\n   mlx5e_xdp_handle+0x5ae/0xac0 [mlx5_core]\n   mlx5e_xsk_skb_from_cqe_mpwrq_linear+0xc4/0x170 [mlx5_core]\n   mlx5e_handle_rx_cqe_mpwrq+0xc1/0x290 [mlx5_core]\n\nAdd the missing unmap + xdp_return_frame, matching the cleanup already\ndone in mlx5e_xdp_xmit(). has_frags is rejected earlier in this branch,\nso no per-frag unmap is needed."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c"],"versions":[{"version":"84a0a2310d6de247335574649726cb000c7c0074","lessThan":"7b3eeba50fbc3b45f279037c29a87a90e8bac1e1","status":"affected","versionType":"git"},{"version":"84a0a2310d6de247335574649726cb000c7c0074","lessThan":"2789b74ae1f4b68333c9d5eec2f3354d07b16e61","status":"affected","versionType":"git"},{"version":"84a0a2310d6de247335574649726cb000c7c0074","lessThan":"0aabca726b43d833721034e97d99efcc8237b22a","status":"affected","versionType":"git"},{"version":"84a0a2310d6de247335574649726cb000c7c0074","lessThan":"b69004f5a6ad32da84d8aa5b23b9c0caafe6252e","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c"],"versions":[{"version":"5.3","status":"affected"},{"version":"0","lessThan":"5.3","status":"unaffected","versionType":"semver"},{"version":"6.12.94","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.36","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.13","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.12.94"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.18.36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"7.0.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/7b3eeba50fbc3b45f279037c29a87a90e8bac1e1"},{"url":"https://git.kernel.org/stable/c/2789b74ae1f4b68333c9d5eec2f3354d07b16e61"},{"url":"https://git.kernel.org/stable/c/0aabca726b43d833721034e97d99efcc8237b22a"},{"url":"https://git.kernel.org/stable/c/b69004f5a6ad32da84d8aa5b23b9c0caafe6252e"}],"title":"net/mlx5e: xsk: Fix DMA and xdp_frame leak on XDP_TX xmit failure","x_generator":{"engine":"bippy-1.2.0"}}}}